ID I7IV68_9LACO Unreviewed; 375 AA.
AC I7IV68;
DT 03-OCT-2012, integrated into UniProtKB/TrEMBL.
DT 03-OCT-2012, sequence version 1.
DT 24-JAN-2024, entry version 44.
DE RecName: Full=tRNA-specific 2-thiouridylase MnmA {ECO:0000256|HAMAP-Rule:MF_00144};
DE EC=2.8.1.13 {ECO:0000256|HAMAP-Rule:MF_00144};
GN Name=mnmA {ECO:0000256|HAMAP-Rule:MF_00144};
GN ORFNames=BN55_03140 {ECO:0000313|EMBL:CCI80918.1};
OS Lactobacillus hominis DSM 23910 = CRBIP 24.179.
OC Bacteria; Bacillota; Bacilli; Lactobacillales; Lactobacillaceae;
OC Lactobacillus.
OX NCBI_TaxID=1423758 {ECO:0000313|EMBL:CCI80918.1, ECO:0000313|Proteomes:UP000009320};
RN [1] {ECO:0000313|EMBL:CCI80918.1, ECO:0000313|Proteomes:UP000009320}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CRBIP 24.179T {ECO:0000313|Proteomes:UP000009320};
RA Cousin S., Ma L., Bizet C., Loux V., Bouchier C., Clermont D., Creno S.;
RT "Draft Genome Sequence of Lactobacillus hominis Strain CRBIP 24.179T,
RT isolated from human intestine.";
RL Submitted (JUN-2012) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the 2-thiolation of uridine at the wobble position
CC (U34) of tRNA, leading to the formation of s(2)U34. {ECO:0000256|HAMAP-
CC Rule:MF_00144}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=AH2 + ATP + S-sulfanyl-L-cysteinyl-[protein] + uridine(34) in
CC tRNA = 2-thiouridine(34) in tRNA + A + AMP + diphosphate + H(+) + L-
CC cysteinyl-[protein]; Xref=Rhea:RHEA:47032, Rhea:RHEA-COMP:10131,
CC Rhea:RHEA-COMP:11726, Rhea:RHEA-COMP:11727, Rhea:RHEA-COMP:11728,
CC ChEBI:CHEBI:13193, ChEBI:CHEBI:15378, ChEBI:CHEBI:17499,
CC ChEBI:CHEBI:29950, ChEBI:CHEBI:30616, ChEBI:CHEBI:33019,
CC ChEBI:CHEBI:61963, ChEBI:CHEBI:65315, ChEBI:CHEBI:87170,
CC ChEBI:CHEBI:456215; EC=2.8.1.13;
CC Evidence={ECO:0000256|ARBA:ARBA00001042, ECO:0000256|HAMAP-
CC Rule:MF_00144};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00144}.
CC -!- SIMILARITY: Belongs to the MnmA/TRMU family. {ECO:0000256|HAMAP-
CC Rule:MF_00144}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:CCI80918.1}.
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DR EMBL; CAKE01000001; CCI80918.1; -; Genomic_DNA.
DR RefSeq; WP_008469481.1; NZ_CAKE01000001.1.
DR AlphaFoldDB; I7IV68; -.
DR STRING; 1423758.FC41_GL000317; -.
DR GeneID; 82846206; -.
DR PATRIC; fig|1423758.3.peg.320; -.
DR eggNOG; COG0482; Bacteria.
DR OrthoDB; 9800696at2; -.
DR Proteomes; UP000009320; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0016783; F:sulfurtransferase activity; IEA:InterPro.
DR GO; GO:0000049; F:tRNA binding; IEA:UniProtKB-KW.
DR GO; GO:0006400; P:tRNA modification; IEA:UniProtKB-UniRule.
DR CDD; cd01998; tRNA_Me_trans; 1.
DR Gene3D; 2.30.30.280; Adenine nucleotide alpha hydrolases-like domains; 1.
DR Gene3D; 3.40.50.620; HUPs; 1.
DR Gene3D; 2.40.30.10; Translation factors; 1.
DR HAMAP; MF_00144; tRNA_thiouridyl_MnmA; 1.
DR InterPro; IPR046885; MnmA-like_C.
DR InterPro; IPR046884; MnmA-like_central.
DR InterPro; IPR023382; MnmA-like_central_sf.
DR InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR InterPro; IPR004506; tRNA-specific_2-thiouridylase.
DR NCBIfam; TIGR00420; trmU; 1.
DR PANTHER; PTHR11933:SF5; MITOCHONDRIAL TRNA-SPECIFIC 2-THIOURIDYLASE 1; 1.
DR PANTHER; PTHR11933; TRNA 5-METHYLAMINOMETHYL-2-THIOURIDYLATE -METHYLTRANSFERASE; 1.
DR Pfam; PF03054; tRNA_Me_trans; 1.
DR Pfam; PF20258; tRNA_Me_trans_C; 1.
DR Pfam; PF20259; tRNA_Me_trans_M; 1.
DR SUPFAM; SSF52402; Adenine nucleotide alpha hydrolases-like; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_00144}; Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00144};
KW Disulfide bond {ECO:0000256|ARBA:ARBA00023157, ECO:0000256|HAMAP-
KW Rule:MF_00144};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_00144};
KW RNA-binding {ECO:0000256|ARBA:ARBA00022884, ECO:0000256|HAMAP-
KW Rule:MF_00144};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00144};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694, ECO:0000256|HAMAP-
KW Rule:MF_00144};
KW tRNA-binding {ECO:0000256|ARBA:ARBA00022555, ECO:0000256|HAMAP-
KW Rule:MF_00144}.
FT DOMAIN 208..273
FT /note="tRNA-specific 2-thiouridylase MnmA-like central"
FT /evidence="ECO:0000259|Pfam:PF20259"
FT DOMAIN 286..362
FT /note="tRNA-specific 2-thiouridylase MnmA-like C-terminal"
FT /evidence="ECO:0000259|Pfam:PF20258"
FT REGION 98..100
FT /note="Interaction with target base in tRNA"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00144"
FT REGION 150..152
FT /note="Interaction with tRNA"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00144"
FT REGION 312..313
FT /note="Interaction with tRNA"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00144"
FT ACT_SITE 103
FT /note="Nucleophile"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00144"
FT ACT_SITE 200
FT /note="Cysteine persulfide intermediate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00144"
FT BINDING 12..19
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00144"
FT BINDING 38
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00144"
FT BINDING 127
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00144"
FT SITE 128
FT /note="Interaction with tRNA"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00144"
FT SITE 346
FT /note="Interaction with tRNA"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00144"
FT DISULFID 103..200
FT /note="Alternate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00144"
SQ SEQUENCE 375 AA; 42114 MW; 35A51981345C1ED5 CRC64;
MVDNSKIRVV VGMSGGVDSS VSALLLKQQG FDVVGVFMKN WDDTDDSGVC TATEDYEDVK
KVADEIGIPY YSINFEKEYW ERVFQYFLGE YKKGRTPNPD VMCNKEIKFK SFLDFAMDLD
ADYIAMGHYA KTRVDENGVV HMMRPKDGNK DQTYFLSQLS QDQLKKVIFP LANLTKPQVR
EIAKSAGLAT AKKKDSTGIC FIGERNFKKF LSEFLPAQGG EMVTPDGKVV GHHAGLMYYT
IGQRSGLGLG STKESTAPWF VVGKDLKTNK LIVEQGYDSD LLYSDSLDGS EVSFFTGMPD
HDFDLKCTAK FRYRQPDVGI TLHYKKDTNT VHVEFDEPAR AVTPGQEIVF YQGEECLGSA
TIDRAYKDDK MLQLV
//